818010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 2176200

約数和(自身を除く): 1358190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 149, 183, 298, 305, 366, 447, 549, 610, 745, 894, 915, 1098, 1341, 1490, 1830, 2235, 2682, 2745, 4470, 5490, 6705, 9089, 13410, 18178, 27267, 45445, 54534, 81801, 90890, 136335, 163602, 272670, 409005, 818010]

約数ペア:

[(1, 818010), (2, 409005), (3, 272670), (5, 163602), (6, 136335), (9, 90890), (10, 81801), (15, 54534), (18, 45445), (30, 27267), (45, 18178), (61, 13410), (90, 9089), (122, 6705), (149, 5490), (183, 4470), (298, 2745), (305, 2682), (366, 2235), (447, 1830), (549, 1490), (610, 1341), (745, 1098), (894, 915)]